Bis-propargyl-PEG9

endo-BCN-PEG4-t-butyl ester

endo-BCN-PEG2-alcohol

Propargyl-PEG5-CH2CO2tBu

Propargyl-PEG13-t-butyl ester

endo-BCN-PEG12-NHS ester

DBCO-C6-acid，DBCO-C6-COOH

Propargyl-PEG3-alcohol

Bis-propargyl-PEG7

m-PEG12-propargyl

Propargyl-PEG4-alcohol

Propargyl-PEG3-t-butyl ester，Propargyl-PEG3-Boc

Bis-propargyl-PEG13

Propargyl-PEG6-alcohol

Propargyl-PEG4-methylamine

endo-BCN-PEG6-t-butyl ester

endo-BCN-PEG3-Boc-amine

Propargyl-PEG6-amine

Propargyl-PEG10-amine

t-Boc-aminooxRuixiG6-propargyl